Related Manuals for Contemporary Research QMOD-HDSC
Summary of Contents for Contemporary Research QMOD-HDSC
- Page 1 Product Manual QMOD-HDSC QMOD™ HDTV Modulator January 22, 2012 Control Firmware 4.9 Encoder Firmware 02E5 Contemporary Research QMOD-HD...
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Page 2: Table Of Contents
QMOD-HD Daisy-Chain ............................14 Rack Mounting ..............................15 RK1 Single Unit Rack Mount ............................ 15 RK2 Side-by-Side Rack Kit ............................15 RK2 Dual Rack Kit, with Tie Bar Mounting ......................... 15 Safety Instructions ............................... 16 Limited Warranty and Disclaimer......................... 17 Contemporary Research QMOD-HD... -
Page 3: Overview
QMOD-HD HDTV Modulator. No matrix routers or IP resources required, just tune in with standard displays or CR HDTV tuners. Compact and easy to integrate, the QMOD-HDSC features an internal, in-stream HD scaler for digital signage applications. PC video fed through the RGBHV (or Component) input is automatically scaled to either 1080i or 720p output settings. -
Page 4: Specifications
MER 38 dB typical Latency 360 ms@720p, 660ms1080i, includes all processing and tuning HDTV modulators experience more latency, as the media is converted to MPEG2 and QAM, then distributed over RF. Compliance FCC Class B, ROHS, meets California standards Contemporary Research QMOD-HD... - Page 5 PS12-1 Switching power supply, 1A 12 VDC, fits in typical AC power strips Options RK1 Single Rack Kit RK2 Dual Rack Kit CC-232 RS-232 Cable Firmware 4.9 adds 1080p, EDID, and improved scaling for all settings 4.7 fixes bug at Component setting, lengthens menu time-out to 16 seconds Contemporary Research QMOD-HD...
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Page 6: Setup Tips
TV. Trying to do this when the TVs are a few hundred feet away is very difficult. Testing Resolution Once the PC is running and the input is selected, the QMOD-HDSC will tell you the resolution on the bottom line of the front-panel display. You’ll get one of three messages: ... -
Page 7: Front Panel Setup
Today, most displays are set to tune 256 QAM. If a site has some very old displays, they might only be able to tune in channels set to 64 QAM. Continuous Wave is often used to test the channel with a meter. - 64 - 256 (default) - CW (Continuous Wave) Contemporary Research QMOD-HD... - Page 8 Press right or left arrow to start editing, use Up and Down arrows to select digit. Chan Name Enters channel short name, up to 7 characters. “QMOD” is default text. Press right or left arrow to start editing, use Up and Down arrows to select character. Contemporary Research QMOD-HD...
- Page 9 - You can choose to output the video at 1080i or 720p, the unit will up and downscale - If there is no signal present, the QMOD will display “No Signal” - If the QMOD-HDSC can’t match the signal to the resolution list, it will display “Unknown Sig” CLK Phase This menu tweaks how the scaler scans the video.
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Page 10: Tips & Troubleshooting
Call CR Support No audio Check audio inputs and wiring Set source digital source output to PCM Some Sharp displays lack the standard QAM codec to play MPEG1 stereo, those models should be avoided for commercial sites. Contemporary Research QMOD-HD... - Page 11 1080i, 720p, and 480p, depending on programming. HDTV setup Go to HDTV menu Select Video and turn Native Mode off Select Resolution and turn all modes off but 720p Go to Audio, and turn Dolby Digital off Contemporary Research QMOD-HD...
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Page 12: Rs-232 Control Protocol
Commands can be sent back to back at any time without any delay. To allow for rapid, multiple commands, status responses are intentionally delayed by about 125mS, sending the most current status in response to control commands or user actions. Contemporary Research QMOD-HD... -
Page 13: Rs-232 Commands
Characters received will not be re-transmitted (power up default). Echo On Characters received will be re-transmitted. Example: ‘ >EN’ Characters received will be re-transmitted. Product ID Returns the product model number and software version. Reconfigures unit to factory default settings Contemporary Research QMOD-HD... -
Page 14: Rs-232 Cable Connections
One QMOD-HD and 232-series tuner can be controlled from one RS-232 control port. The QMOD-HD will be Unit 1, and the 232-series tuner will be set to Unit 2. The flow of information will start at the tuner, which will respond to Unit 2 commands, passing on Unit 1 commands to the QMOD-HD. Contemporary Research QMOD-HD... -
Page 15: Rack Mounting
2. Slide the included tie bar into the side of one unit and attach with the included screws. 3. Slide the other unit into the tie bar, and attach the screws 4. Add the rack mounts to the sides. Contemporary Research QMOD-HD... -
Page 16: Safety Instructions
If the video product is dropped or the cabinet is damaged. When the video product exhibits a distinct change in performance, this indicates a need for service. Contemporary Research QMOD-HD... -
Page 17: Limited Warranty And Disclaimer
Limited Warranty and Disclaimer Contemporary Research Corporation (CR) warrants this product to be free from defects in material and workmanship under normal use for a period of two years from the date of purchase from CR. Should such a defect occur CR will repair or replace, at their option, the defective product at no cost for parts or labor.
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